Home / 11,081.32-16,621.66-2,873.32

Finding the Fourth Proportional to 11,081.32, 16,621.66 and 2,873.32

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Solution

The fourth proportional to 11,081.32, 16,621.66 and 2,873.32 is: 4,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.32 : 16,621.66 = 2,873.32 : x
  2. Step 2: Convert to fraction form
    11,081.32/16,621.66 = 2,873.32/x
  3. Step 3: Cross multiply
    11,081.32x = 16,621.66 × 2,873.32
  4. Step 4: Simplify right side
    11,081.32x = 47,759,348.11
  5. Step 5: Solve for x
    x = 47,759,348.11/11,081.32
  6. Step 6: Final answer
    x = 4,309.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.